A 3D model of a Bosch wall-mounted boiler, featuring a white body, circular digital display showing 230, and sleek, modern design. It has digital temperature control and is suitable for home heating and hot water supply.

A 3D model of a desk fan, featuring a green body, gray metal guard, and orange center, with a minimalist and retro-inspired aesthetic. It has a low polygon design and is suitable for tabletop use in home or office settings. (类目纠正: Home Appliance, as it is a small home/office appliance)

A 3D model of a Smart Robot Vacuum, featuring a white, sleek design with a modern minimalist aesthetic. It has high-precision details, low-poly textures, and is suitable for home cleaning product displays.

A 3D model of headphones, placed on a human-shaped head stand with black and red accents, showcasing a modern tech-inspired design. It has detailed textures and is ideal for product display or e-commerce use. （类目纠正：原Other，实际为headphones/audio accessories，描述中明确核心对象为headphones）